WARPP INTIG-315 AC/DC, Руководство по эксплуатации

Страница: 30 / 39

-
２８
-
№
Trouble Probable cause Remedies
1
Indicator lamp does
not light on and
doesn’t work when
machine switches
on.
(1) Phase missing
(2) Fuse size
（
2A
）
breaks
(3) Input cable break down
(1)Inspect power source
(2)Inspect fan, power
source transform and
control board are in good
condition or not
(3)Inspect cable
2
Air switch trips
automatically while
welder working on
without big welding
current for long
time
The following components
may probably damaged
：
IGBT module, 3 phase
rectified module, output
diode module, other
components
Short circuited
(1)Inspection and
replacement
(2)When IGBT module
breakdown, check if
resistors 12
Ω
. 5.1
Ω
and
SR160 on driving board are
damaged or not.
3
Welding current is
not stable.
(1) Phase missing
(2) Main control board is
damaged. (1)Inspect power source
(2)Inspection and
replacement
4
Welding current is
not adjustable.
(1) Conductive wire broken.
(2) Main control board is
damaged.
(3) Coder is damaged
Inspection and replacement
5
Display 801
protection code
(overvolt)) (1) Secondary IGBT module
is damaged
(2) Main board is damaged
Replace secondary IGBT
module and main board
6
Display 802 or 803
protection code
(overcurrent) (1) Secondary IGBT module
is damaged
(2) Main board is damaged
Replace secondary IGBT
module and main board
7
Display 804
Protection code
(overheat)
(1) Welding current is too
large
(2) Context temperature is
too high.
(3) Thermal relay is
damaged
(1) Working in open load,
idle and cooling down
(2) Replace thermal relay
8
Display 805
protection code
(1) Torch trigger has been
pushed for a long time in
open load
(2) Welding torch trigger or
foot pedal switch are
damaged
(1) Inspect the torch or foot
pedal switch and replace it
(2) Release the trigger
9
Display 805
protection
code(water
insufficient)
(1) No water supply
(2) Bad water circulation
(3) Water valve, water
circulator or torch are
damaged
(1)Connect to water supply
(2)Inspect water circulation
(3)Replace the valve,
circulator or torch